package MangTing03;

public class Cylinder  extends  Circle{
    private  double length;

    public  Cylinder(){
        this.length = 1.0;
    }

    public double getLength() {
        return length;
    }

    public void setLength(double length) {
        this.length = length;
    }
    public  double findVolume(){
        return findArea() *length;
    }
}
